Clearly explain your specifications with WORDS and not just an output.
Post a working Test case: create table and insert statements along with the result you want with these data.
If I execute your statement I get:

This is NOT what I asked.
Note: create table and insert statements along with the result you want with these data.
Note: Clearly explain your specifications with WORDS and not just an output.
How does "014/87.65.65" comes from (maybe?) "9987656566"?

From that, we can only surmise that this is, in fact, a homework assignment. In that case, can you post the text (in English) of the task that you have been assigned? You certainly seem to have made some attempt this time, so I reckon that if you can actually post your real requirement (preferably with a test case) then someone will actually be able to help you out.